使用fix_yahoo_finance这个包,这里提供的pdr_overrider()可以修复不能读取的问题

from pandas_datareader import data as pdr

import fix_yahoo_finance as yf

yf.pdr_override()  # 用来修复,必要

# 获取数据
data = pdr.get_data_yahoo("SPY", start="2017-01-01", end="2017-04-30")
#打印
print(data.head())